import dayjs from "dayjs";
import editForm from "../form.vue";
import { handleTree } from "@/utils/tree";
import { message } from "@/utils/message";
import { getMetaTableList, saveClass, deleteClass } from "@/api/metaTable";
import { usePublicHooks } from "../../hooks";
import { addDialog } from "@/components/ReDialog";
import { reactive, ref, onMounted, h } from "vue";
import { type FormItemProps } from "./types";
import { cloneDeep, isAllEmpty } from "@pureadmin/utils";

export function useMetaClass() {
  const form = reactive({
    className: "",
    status: null
  });

  const formRef = ref();
  const dataList = ref([]);
  const loading = ref(true);

  const { tagStyle } = usePublicHooks();

  const columns: TableColumnList = [
    {
      label: "类别名称",
      prop: "className",
      width: 180,
      align: "left",
      sortable: true
    },
    {
      label: "图标",
      slot: "image",
      width: 90
    },
    {
      label: "排序",
      prop: "classSort",
      minWidth: 70
    },
    {
      label: "机构代码",
      prop: "comID",
      minWidth: 120
    },
    {
      label: "状态",
      prop: "status",
      minWidth: 100,
      cellRenderer: ({ row, props }) => (
        <el-tag size={props.size} style={tagStyle.value(row.status)}>
          {row.status === 1 ? "启用" : "停用"}
        </el-tag>
      )
    },
    {
      label: "创建时间",
      minWidth: 200,
      sortable: true,
      prop: "addTime",
      formatter: ({ createTime }) =>
        dayjs(createTime).format("YYYY-MM-DD HH:mm:ss")
    },
    {
      label: "操作",
      fixed: "right",
      width: 160,
      slot: "operation"
    }
  ];

  function handleSelectionChange(val) {
    console.log("handleSelectionChange", val);
  }

  function resetForm(formEl) {
    if (!formEl) return;
    formEl.resetFields();
    onSearch();
  }

  async function onSearch() {
    loading.value = true;
    const classType = {
      classType: 2
    };
    const Result = await getMetaTableList(classType); // 这里是返回一维数组结构，前端自行处理成树结构，返回格式要求：唯一id加父节点parentId，parentId取父节点id

    if (!Result.isSuccess) {
      message(Result.msg, {
        type: "error"
      });
      return;
    }

    let newData = Result.result;

    if (!isAllEmpty(form.className)) {
      // 前端搜索分类名称
      newData = newData.filter(item => item.className.includes(form.className));
    }

    if (!isAllEmpty(form.status)) {
      // 前端搜索状态
      newData = newData.filter(item => item.status === form.status);
    }

    dataList.value = handleTree(
      newData,
      newData["id"],
      newData["parentId"],
      newData["id"]
    ); // 处理成树结构

    setTimeout(() => {
      loading.value = false;
    }, 500);
  }

  function formatHigherDeptOptions(treeList) {
    // 根据返回数据的status字段值判断追加是否禁用disabled字段，返回处理后的树结构，用于上级部门级联选择器的展示（实际开发中也是如此，不可能前端需要的每个字段后端都会返回，这时需要前端自行根据后端返回的某些字段做逻辑处理）
    if (!treeList || !treeList.length) return;
    const newTreeList = [];
    for (let i = 0; i < treeList.length; i++) {
      treeList[i].disabled = treeList[i].status === 0 ? true : false;
      formatHigherDeptOptions(treeList[i].children);
      newTreeList.push(treeList[i]);
    }
    return newTreeList;
  }

  function openDialog(title = "新增", row?: FormItemProps) {
    addDialog({
      title: `${title}类别`,
      props: {
        formInline: {
          higherDeptOptions: formatHigherDeptOptions(cloneDeep(dataList.value)),
          parentId: row?.parentId ?? 0,
          className: row?.className ?? "",
          classSort: row?.classSort ?? 0,
          classTypeID: row?.classTypeID ?? 2,
          status: row?.status ?? 0,
          classIcon: row?.classIcon ?? "",
          id: row?.id ?? 0
        }
      },
      width: "40%",
      draggable: true,
      fullscreenIcon: true,
      closeOnClickModal: false,
      contentRenderer: () => h(editForm, { ref: formRef }),
      beforeSure: (done, { options }) => {
        const FormRef = formRef.value.getRef();
        const curData = options.props.formInline as FormItemProps;

        function chores() {
          message(`您${title}了类别名称为${curData.className}的这条数据`, {
            type: "success"
          });
          done(); // 关闭弹框
          onSearch(); // 刷新表格数据
        }
        FormRef.validate(async valid => {
          if (valid) {
            console.log(curData);
            const kk = await saveClass(curData);

            if (kk.isSuccess) {
              chores();
            } else {
              message(kk.msg, { type: "error" });
            }
          }
        });
      }
    });
  }

  async function handleDelete(row) {
    const Result = await deleteClass({ rsID: row.id });
    console.log(Result);
    if (Result.isSuccess) {
      message(`您删除了部门名称为${row.id}的这条数据`, { type: "success" });
      onSearch();
    } else {
      message(Result.msg, { type: "error" });
    }
  }

  onMounted(() => {
    onSearch();
  });

  return {
    form,
    loading,
    columns,
    dataList,
    /** 搜索 */
    onSearch,
    /** 重置 */
    resetForm,
    /** 新增、编辑部门 */
    openDialog,
    /** 删除部门 */
    handleDelete,
    handleSelectionChange
  };
}
